package com.xx.cloud.pay.config;

import com.xx.cloud.pay.result.R;
import jakarta.validation.ConstraintViolationException;
import org.springframework.context.support.DefaultMessageSourceResolvable;
import org.springframework.validation.BindException;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
 

import java.util.stream.Collectors;
 
@ControllerAdvice
public class WebExceptionHandler {
 
    //处理Get请求中 使用@Valid 验证路径中请求实体校验失败后抛出的异常
    @ExceptionHandler(BindException.class)
    @ResponseBody
    public R BindExceptionHandler(BindException e) {
        String message = e.getBindingResult().getAllErrors().stream().map(DefaultMessageSourceResolvable::getDefaultMessage).collect(Collectors.joining());
        return R.failed(message);
    }
 
    //处理请求参数格式错误 @RequestParam上validate失败后抛出的异常是javax.validation.ConstraintViolationException
//    @ExceptionHandler(ConstraintViolationException.class)
//    @ResponseBody
//    public R ConstraintViolationExceptionHandler(ConstraintViolationException e) {
//        String message = e.getConstraintViolations().stream().map(ConstraintViolation::getMessage).collect(Collectors.joining());
//        return R.failed(message);
//    }
 
    //处理请求参数格式错误 @RequestBody上validate失败后抛出的异常是MethodArgumentNotValidException异常。
    @ExceptionHandler(MethodArgumentNotValidException.class)
    @ResponseBody
    public R MethodArgumentNotValidExceptionHandler(MethodArgumentNotValidException e) {
        String message = e.getBindingResult().getAllErrors().stream().map(DefaultMessageSourceResolvable::getDefaultMessage).collect(Collectors.joining());
        return R.failed(message);
    }
}